Asymptopia Crossword Builder (Math/Text) is an application that runs in any modern Web browser, but does not require an Internet connection (if it is installed locally). The application was designed to allow teachers to quickly produce well-designed, challenging activities. The application features a configuration panel where the user can either enter their own word-hint pairs, or generate math-crossword problems via a single button. The math functionality generates word:hint pairs like: "four:7/x-3/8=11/8", where the hint corresponds to the problem, and the student would write the letters "four" in the corresponding boxes of the puzzle.

Multiplication Puzzle is a simple math puzzle game written for GTK+ 2, inspired by Emacs' multiplication game. It displays a multiplication problem where every digit is replaced by a letter. Your job is to figure out which letters are which digits.

Polygon Puzzle is a tessellation puzzle inspired by Beat The Computer. Pieces of connecting regular polygons are arranged to fit into predefined trays. The mathematical names of the shapes are polyhexes, polyominoes, and polyiamonds.

The Arc Consistency Crossword Compiler uses
constraint satisfaction algorithms to fill
crossword grids given a word list. The current
implementation can fill simple (15x15) grids in a
few seconds. A word list gleaned from a variety of
sources is included, along with several grids.

Mindless is an SDL-based puzzle game similar to the classic boardgame Mastermind. The goal of the game is to crack a secret code selected by your opponent before he has cracked yours. You can play human vs. human, human vs. computer, or computer vs. computer.